# Multi-tab Calc - A simple app. — Multiple calc in one app.

> A simple, multi-tab calculator app for everyday calculations. (iPhone/iPad app by Naoyuki Rikiji.)

- Source: https://appshunter.io/ios/app/multi-tab-calc-a-simple-app/id6451455008 (this page in markdown: same URL + `.md`)
- Developer: [Naoyuki Rikiji](https://appshunter.io/developer/1465757389)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.10/5 from 14 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 26 MB
- Languages: American English, Arabic, Bangla, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France) and 24 more
- Released: 2023-07-21
- Data updated: 2026-08-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/multi-tab-calc-a-simple-app/id6451455008/reviews.md

## What is Multi?

Experience a new and convenient way to use multiple calculators in one app with this simple and user-friendly application. This app allows you to perform calculations while seamlessly switching between multiple tabs.

Features:
- Easily switch between multiple calculators with simple operations: Conduct different calculations simultaneously across various tabs.

- Optimized for casual use: We have eliminated unnecessary features, focusing on an intuitive and casual user experience.

- Clean design: Enjoy stress-free calculations with a simple and beautiful design that reduces eye strain.

- From everyday simple calculations to totaling your shopping list, effortlessly perform a wide range of calculations.

Go ahead, experience simple and efficient calculations!

## Key features

- Multiple calculator tabs
- Seamless tab switching
- Optimized for casual use
- Clean and simple design
- Everyday calculation support

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/multi-tab-calc-a-simple-app/id6451455008/reviews.md

### 5/5 — 表示が？

*2026-06-01*

iPhone SE3で、アップデート後に計算結果の欄の表示が半分切れて見えなくなりました。
このアプリ非常に気に入っていたので改善して欲しいです。

バージョン1.3.0で改善されました。早い対応ありがとうございました。

**Developer response:** レビューいただきましてありがとうございます！

計算結果と計算式とどちらも長くなった場合はスクロールして最後まで見れる形とさせていただいております。こちらの回答で解決しない場合はお問い合わせフォームからお問い合わせいただけますと嬉しいです！

2026.06.02追記
お問い合わせありがとうございました。
この件については不具合でしたのでバージョン1.3.0で修正させていただきました！

### 5/5 — Perfect!

*2025-08-21, version 0.10.0*

This is exactly the calculator app i was looking for. I always felt like i needed multiple tabs for a calculator!

### 4/5 — 😛

*2025-03-25, version 0.8.3*

I love the app, love that you can have multiple calculators open I only wish you could see the history of the additions/subtractions you know what I mean… like I wanna be able to see what I just added or what I just subtracted, divided etc.   Anyway the app is great other than that, but please take that into consideration. 😇😇😇

### 1/5 — Good app

*2025-03-18, version 0.8.3*

Has basic functionality with tabs to have multiple sessions simultaneously. Gave four stars solely because it’s missing, or I could not find, parentheses.

## Frequently asked questions about Multi

### What is Multi-tab Calc?

Multi-tab Calc is a simple and user-friendly application designed to let you perform multiple calculations simultaneously across different tabs. It focuses on an intuitive experience for everyday math needs.

### Does Multi-tab Calc have ads?

No, Multi-tab Calc is ad-free, allowing for a stress-free calculation experience without interruptions. This is consistent with its focus on a clean design and casual user experience.

### What devices is Multi-tab Calc available on?

Multi-tab Calc is available on iPhone, iPad, and iPod devices. It is designed to be compatible with Apple's mobile operating systems.

### What is the age rating for Multi-tab Calc?

Multi-tab Calc has an age rating of 4+, making it suitable for young children and general use. This indicates it contains no mature content.

### How often is Multi-tab Calc updated?

The latest version of Multi-tab Calc is 1.0.0, released on 2026-01-10. While the last update date is in the future, it suggests ongoing development and support for the application.

### What are the main benefits of using Multi-tab Calc?

The main benefits include the ability to switch between multiple calculators easily, a clean design that reduces eye strain, and an optimized experience for casual users performing everyday calculations.

### Can Multi-tab Calc handle complex calculations?

Multi-tab Calc is optimized for casual use and everyday simple calculations, such as totaling a shopping list. It focuses on simplicity rather than advanced scientific or financial functions.

### What is the user rating for Multi-tab Calc?

Multi-tab Calc has a rating of 4.1 stars from 8 ratings. This indicates a generally positive reception from its users.

## Version history (last 5 releases)

### 1.6.1 — 2026-06-17

Improved the expression editing feature for smoother cursor control and scrolling.

### 1.6.0 — 2026-06-15

Improved the expression editing feature for smoother cursor control and scrolling.

### 1.4.0 — 2026-06-04

Improved the expression editing feature for smoother cursor control and scrolling.

### 1.3.0 — 2026-06-01

Fixed a layout issue that could occur when using larger display or text size settings.

### 1.2.1 — 2026-05-28

Improved the expression editing feature for smoother cursor control and scrolling.

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## More apps by Naoyuki Rikiji

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- [SmartShot - Burst Cam](https://appshunter.io/ios/app/smartshot-burst-cam/id6449625747)
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All apps by Naoyuki Rikiji: https://appshunter.io/developer/1465757389

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*